Electric fan



FIG. 1 is the front view of the electric fan of the present invention;

FIG. 2 is the left view thereof;

FIG. 3 is the right view thereof;

FIG. 4 is the top view thereof;

FIG. 5 is the perspective view thereof; and,

FIG. 6 is the rear view thereof. 

The ornamental design for an electric fan, as shown and described. 